<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:instruction:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:instruction:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:instruction:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:instruction:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="instructionList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <el-switch
            v-model="scope.row.status"
            active-value="1"
            inactive-value="0"
            @change="handleStatusChange(scope.row)"
            active-color="#13ce66"
            inactive-color="#ff4949">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:instruction:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:instruction:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改操作指南对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="780px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>

        <el-form-item label="附件">
          <DragUpload2 v-model="form.fileList"
                       :data="form.fileList"
                       :min-height="192" />
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { changeInstructionStatus,listInstruction, getInstruction,
          delInstruction, addInstruction, updateInstruction } from "@/api/system/instruction";
  import DragUpload2 from "@/components/DragUpload/index2.vue";


  export default {
    components: {
      DragUpload2,
    },
    name: "Instruction",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 操作指南表格数据
        instructionList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          title: null,
          status: null
        },
        // 表单参数
        form: {

        },
        // 表单校验
        rules: {
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      //修改状态
      handleStatusChange (row) {
        let text = row.status === "0" ? "停用" : "启用";
        let title = row.title;
        this.$modal.confirm('确认要"' + text + '""' + title + '"吗？').then(function () {
          return changeInstructionStatus(row.id, row.status);
        }).then(() => {
          this.getList()
          this.$modal.msgSuccess(text + "成功");
        }).catch(function () {
          row.status = row.status === "0" ? "1" : "0";
        });
      },

      /** 查询操作指南列表 */
      getList() {
        this.loading = true;
        listInstruction(this.queryParams).then(response => {
          this.instructionList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          delFlag: null,
          createBy: null,
          createTime: null,
          updateBy: null,
          updateTime: null,
          title: null,
          status: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length!==1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加操作指南";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getInstruction(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改操作指南";
          this.form.fileId = [{'fileId' : response.data.fileId}]
        });
      },

      /** 提交按钮 */
      submitForm: function () {
        this.$refs["form"].validate(valid => {
          var that = this;
          if (valid) {
            if (that.form.id != undefined) {
              if (that.form.fileList == undefined) {

              } else {
                var length = that.form.fileList.length
                var file = that.form.fileList[length-1].response;
                that.form.fileId = file.fileId;
                updateInstruction(this.form).then(response => {
                  that.$modal.msgSuccess("修改成功");
                  that.open = false;
                  that.isView = false
                  that.getList();
                });
              }
            } else {
              const arr = []
              var length = that.form.fileList.length
              var file = that.form.fileList[length-1].response;
              that.form.fileId = file.fileId;
              addInstruction(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.isView = false
                this.getList();
              });
            }
          }
        });
      },


      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除操作指南编号为"' + ids + '"的数据项？').then(function() {
          return delInstruction(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('system/instruction/export', {
          ...this.queryParams
        }, `instruction_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>
